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    <title>控制直流电机</title>
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  <body>
    <div id="base" class="">

      <!-- Unnamed (矩形) -->
      <div id="u3450" class="ax_default _一级标题">
        <div id="u3450_div" class=""></div>
        <div id="u3450_text" class="text ">
          <p><span>所需硬件：</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3451" class="ax_default label">
        <div id="u3451_div" class=""></div>
        <div id="u3451_text" class="text ">
          <p><span>电池盒</span></p>
        </div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3452" class="ax_default line">
        <img id="u3452_img" class="img " src="images/驱动180°舵机/u1777.png"/>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3453" class="ax_default line">
        <img id="u3453_img" class="img " src="images/驱动180°舵机/u1776.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3454" class="ax_default label">
        <div id="u3454_div" class=""></div>
        <div id="u3454_text" class="text ">
          <p><span>-</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3455" class="ax_default label">
        <div id="u3455_div" class=""></div>
        <div id="u3455_text" class="text ">
          <p><span>+</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3456" class="ax_default box_1">
        <div id="u3456_div" class=""></div>
        <div id="u3456_text" class="text ">
          <p><span>电池</span></p>
        </div>
      </div>

      <!-- Unnamed (组 合) -->
      <div id="u3457" class="ax_default" data-left="220" data-top="127" data-width="7" data-height="62">

        <!-- Unnamed (矩形) -->
        <div id="u3458" class="ax_default box_1">
          <div id="u3458_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3459" class="ax_default box_1">
          <div id="u3459_div" class=""></div>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3460" class="ax_default box_1">
        <div id="u3460_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3461" class="ax_default label">
        <div id="u3461_div" class=""></div>
        <div id="u3461_text" class="text ">
          <p><span>L298N电机驱动模块</span></p>
        </div>
      </div>

      <!-- Unnamed (组 合) -->
      <div id="u3462" class="ax_default" data-left="50" data-top="583" data-width="81" data-height="103">

        <!-- Unnamed (矩形) -->
        <div id="u3463" class="ax_default box_1">
          <div id="u3463_div" class=""></div>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3464" class="ax_default line">
          <img id="u3464_img" class="img " src="images/控制直流电机/u3464.png"/>
        </div>

        <!-- Unnamed (组 合) -->
        <div id="u3465" class="ax_default" data-left="71" data-top="669" data-width="40" data-height="10">

          <!-- Unnamed (矩形) -->
          <div id="u3466" class="ax_default box_1">
            <div id="u3466_div" class=""></div>
          </div>

          <!-- Unnamed (矩形) -->
          <div id="u3467" class="ax_default box_1">
            <div id="u3467_div" class=""></div>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3468" class="ax_default label">
          <div id="u3468_div" class=""></div>
          <div id="u3468_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3469" class="ax_default label">
          <div id="u3469_div" class=""></div>
          <div id="u3469_text" class="text ">
            <p><span>-</span></p>
          </div>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3470" class="ax_default label">
        <div id="u3470_div" class=""></div>
        <div id="u3470_text" class="text ">
          <p><span>直流电机</span></p>
        </div>
      </div>

      <!-- Unnamed (图片) -->
      <div id="u3471" class="ax_default image">
        <img id="u3471_img" class="img " src="images/控制直流电机/u3471.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3472" class="ax_default label">
        <div id="u3472_div" class=""></div>
        <div id="u3472_text" class="text ">
          <p><span>9V电池</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3473" class="ax_default _文本段落">
        <div id="u3473_div" class=""></div>
        <div id="u3473_text" class="text ">
          <p><span style="font-family:'Arial Negreta', 'Arial Normal', 'Arial';font-weight:700;">Tips：</span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;"><br></span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;">类似这样的方块电池，超市可以买到。电池需要装进电池盒使用。</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3474" class="ax_default _文本段落">
        <div id="u3474_div" class=""></div>
        <div id="u3474_text" class="text ">
          <p><span style="font-family:'Arial Negreta', 'Arial Normal', 'Arial';font-weight:700;">Tips：</span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;"><br></span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;">1. 本例中将使用arduino的另一种供电模式：通过Vin供电使用arduino，这样arduino可以摆脱电脑单独工作。</span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;"><br></span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;">2. L298N驱动电机的原理：</span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;">&nbsp;&nbsp;&nbsp; IN1，IN2控制OUT1和OUT2端的电机。</span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;">&nbsp;&nbsp;&nbsp; IN3，IN4控制OUT3和OUT4端的电机。</span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;">&nbsp;&nbsp;&nbsp; IN1、IN2、IN3、IN4分别输出不同电平时，可以控制电机的&nbsp; &nbsp; 正转、反转与停止。</span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;"><br></span></p><p><span style="font-family:'Arial Normal', 'Arial';font-weight:400;">3.附电机状态对应表，IN3,IN4一样</span></p>
        </div>
      </div>

      <!-- Unnamed (表格) -->
      <div id="u3475" class="ax_default">

        <!-- Unnamed (单元格) -->
        <div id="u3476" class="ax_default table_cell">
          <img id="u3476_img" class="img " src="images/控制直流电机/u3476.png"/>
          <div id="u3476_text" class="text ">
            <p><span>马达转动状态</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3477" class="ax_default table_cell">
          <img id="u3477_img" class="img " src="images/控制直流电机/u3476.png"/>
          <div id="u3477_text" class="text ">
            <p><span>IN1</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3478" class="ax_default table_cell">
          <img id="u3478_img" class="img " src="images/控制直流电机/u3478.png"/>
          <div id="u3478_text" class="text ">
            <p><span>IN2</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3479" class="ax_default table_cell">
          <img id="u3479_img" class="img " src="images/控制直流电机/u3476.png"/>
          <div id="u3479_text" class="text ">
            <p><span>正转</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3480" class="ax_default table_cell">
          <img id="u3480_img" class="img " src="images/控制直流电机/u3476.png"/>
          <div id="u3480_text" class="text ">
            <p><span>高</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3481" class="ax_default table_cell">
          <img id="u3481_img" class="img " src="images/控制直流电机/u3478.png"/>
          <div id="u3481_text" class="text ">
            <p><span>低</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3482" class="ax_default table_cell">
          <img id="u3482_img" class="img " src="images/控制直流电机/u3476.png"/>
          <div id="u3482_text" class="text ">
            <p><span>反转</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3483" class="ax_default table_cell">
          <img id="u3483_img" class="img " src="images/控制直流电机/u3476.png"/>
          <div id="u3483_text" class="text ">
            <p><span>低</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3484" class="ax_default table_cell">
          <img id="u3484_img" class="img " src="images/控制直流电机/u3478.png"/>
          <div id="u3484_text" class="text ">
            <p><span>高</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3485" class="ax_default table_cell">
          <img id="u3485_img" class="img " src="images/控制直流电机/u3476.png"/>
          <div id="u3485_text" class="text ">
            <p><span>停止</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3486" class="ax_default table_cell">
          <img id="u3486_img" class="img " src="images/控制直流电机/u3476.png"/>
          <div id="u3486_text" class="text ">
            <p><span>高</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3487" class="ax_default table_cell">
          <img id="u3487_img" class="img " src="images/控制直流电机/u3478.png"/>
          <div id="u3487_text" class="text ">
            <p><span>高</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3488" class="ax_default table_cell">
          <img id="u3488_img" class="img " src="images/控制直流电机/u3488.png"/>
          <div id="u3488_text" class="text ">
            <p><span>停止</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3489" class="ax_default table_cell">
          <img id="u3489_img" class="img " src="images/控制直流电机/u3488.png"/>
          <div id="u3489_text" class="text ">
            <p><span>低</span></p>
          </div>
        </div>

        <!-- Unnamed (单元格) -->
        <div id="u3490" class="ax_default table_cell">
          <img id="u3490_img" class="img " src="images/控制直流电机/u3490.png"/>
          <div id="u3490_text" class="text ">
            <p><span>低</span></p>
          </div>
        </div>
      </div>

      <!-- Unnamed (组 合) -->
      <div id="u3491" class="ax_default" data-left="50" data-top="321" data-width="180" data-height="180">

        <!-- Unnamed (矩形) -->
        <div id="u3492" class="ax_default box_1">
          <div id="u3492_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3493" class="ax_default box_1">
          <div id="u3493_div" class=""></div>
          <div id="u3493_text" class="text ">
            <p><span>L298N</span></p>
          </div>
        </div>

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          <img id="u3494_img" class="img " src="images/控制直流电机/u3494.png"/>
        </div>

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        <div id="u3495" class="ax_default line">
          <img id="u3495_img" class="img " src="images/控制直流电机/u3494.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3496" class="ax_default line">
          <img id="u3496_img" class="img " src="images/控制直流电机/u3494.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3497" class="ax_default line">
          <img id="u3497_img" class="img " src="images/控制直流电机/u3494.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3498" class="ax_default line">
          <img id="u3498_img" class="img " src="images/控制直流电机/u3494.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3499" class="ax_default line">
          <img id="u3499_img" class="img " src="images/控制直流电机/u3494.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3500" class="ax_default line">
          <img id="u3500_img" class="img " src="images/控制直流电机/u3494.png"/>
        </div>

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        <div id="u3501" class="ax_default line">
          <img id="u3501_img" class="img " src="images/控制直流电机/u3494.png"/>
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        <div id="u3503" class="ax_default line">
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        <!-- Unnamed (垂直线) -->
        <div id="u3506" class="ax_default line">
          <img id="u3506_img" class="img " src="images/控制直流电机/u3505.png"/>
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        <!-- Unnamed (垂直线) -->
        <div id="u3507" class="ax_default line">
          <img id="u3507_img" class="img " src="images/控制直流电机/u3505.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3508" class="ax_default line">
          <img id="u3508_img" class="img " src="images/控制直流电机/u3505.png"/>
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        <!-- Unnamed (垂直线) -->
        <div id="u3509" class="ax_default line">
          <img id="u3509_img" class="img " src="images/控制直流电机/u3505.png"/>
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        <!-- Unnamed (垂直线) -->
        <div id="u3510" class="ax_default line">
          <img id="u3510_img" class="img " src="images/控制直流电机/u3505.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3511" class="ax_default line">
          <img id="u3511_img" class="img " src="images/控制直流电机/u3505.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3512" class="ax_default box_1">
          <div id="u3512_div" class=""></div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3513" class="ax_default line">
          <img id="u3513_img" class="img " src="images/控制直流电机/u3513.png"/>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3514" class="ax_default line">
          <img id="u3514_img" class="img " src="images/控制直流电机/u3513.png"/>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3515" class="ax_default line">
          <img id="u3515_img" class="img " src="images/控制直流电机/u3515.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3516" class="ax_default ellipse">
          <img id="u3516_img" class="img " src="images/控制直流电机/u3516.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3517" class="ax_default ellipse">
          <img id="u3517_img" class="img " src="images/控制直流电机/u3516.png"/>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3518" class="ax_default line">
          <img id="u3518_img" class="img " src="images/控制直流电机/u3518.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3519" class="ax_default box_1">
          <div id="u3519_div" class=""></div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3520" class="ax_default ellipse">
          <img id="u3520_img" class="img " src="images/控制直流电机/u3520.png"/>
          <div id="u3520_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3521" class="ax_default ellipse">
          <img id="u3521_img" class="img " src="images/控制直流电机/u3520.png"/>
          <div id="u3521_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3522" class="ax_default ellipse">
          <img id="u3522_img" class="img " src="images/控制直流电机/u3520.png"/>
          <div id="u3522_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3523" class="ax_default label">
          <div id="u3523_div" class=""></div>
          <div id="u3523_text" class="text ">
            <p><span>12V</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3524" class="ax_default label">
          <div id="u3524_div" class=""></div>
          <div id="u3524_text" class="text ">
            <p><span>GND</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3525" class="ax_default label">
          <div id="u3525_div" class=""></div>
          <div id="u3525_text" class="text ">
            <p><span>5V</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3526" class="ax_default box_1">
          <div id="u3526_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3527" class="ax_default box_1">
          <div id="u3527_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3528" class="ax_default box_1">
          <div id="u3528_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3529" class="ax_default box_1">
          <div id="u3529_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3530" class="ax_default box_1">
          <div id="u3530_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3531" class="ax_default box_1">
          <div id="u3531_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3532" class="ax_default box_1">
          <div id="u3532_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3533" class="ax_default box_1">
          <div id="u3533_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3534" class="ax_default box_1">
          <div id="u3534_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3535" class="ax_default label">
          <div id="u3535_div" class=""></div>
          <div id="u3535_text" class="text ">
            <p><span>IN1</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3536" class="ax_default label">
          <div id="u3536_div" class=""></div>
          <div id="u3536_text" class="text ">
            <p><span>IN2</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3537" class="ax_default label">
          <div id="u3537_div" class=""></div>
          <div id="u3537_text" class="text ">
            <p><span>IN3</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3538" class="ax_default label">
          <div id="u3538_div" class=""></div>
          <div id="u3538_text" class="text ">
            <p><span>IN4</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3539" class="ax_default label">
          <div id="u3539_div" class=""></div>
          <div id="u3539_text" class="text ">
            <p><span>ENA</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3540" class="ax_default label">
          <div id="u3540_div" class=""></div>
          <div id="u3540_text" class="text ">
            <p><span>ENB</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3541" class="ax_default box_1">
          <div id="u3541_div" class=""></div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3542" class="ax_default ellipse">
          <img id="u3542_img" class="img " src="images/控制直流电机/u3520.png"/>
          <div id="u3542_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3543" class="ax_default ellipse">
          <img id="u3543_img" class="img " src="images/控制直流电机/u3520.png"/>
          <div id="u3543_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3544" class="ax_default label">
          <div id="u3544_div" class=""></div>
          <div id="u3544_text" class="text ">
            <p><span>OUT1</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3545" class="ax_default label">
          <div id="u3545_div" class=""></div>
          <div id="u3545_text" class="text ">
            <p><span>OUT2</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3546" class="ax_default box_1">
          <div id="u3546_div" class=""></div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3547" class="ax_default ellipse">
          <img id="u3547_img" class="img " src="images/控制直流电机/u3520.png"/>
          <div id="u3547_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3548" class="ax_default ellipse">
          <img id="u3548_img" class="img " src="images/控制直流电机/u3520.png"/>
          <div id="u3548_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3549" class="ax_default label">
          <div id="u3549_div" class=""></div>
          <div id="u3549_text" class="text ">
            <p><span>OUT4</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3550" class="ax_default label">
          <div id="u3550_div" class=""></div>
          <div id="u3550_text" class="text ">
            <p><span>OUT3</span></p>
          </div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3551" class="ax_default line">
          <img id="u3551_img" class="img " src="images/控制直流电机/u3551.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3552" class="ax_default box_1">
          <div id="u3552_div" class=""></div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3553" class="ax_default line">
          <img id="u3553_img" class="img " src="images/控制直流电机/u3551.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3554" class="ax_default box_1">
          <div id="u3554_div" class=""></div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3555" class="ax_default line">
          <img id="u3555_img" class="img " src="images/控制直流电机/u3551.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3556" class="ax_default box_1">
          <div id="u3556_div" class=""></div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3557" class="ax_default line">
          <img id="u3557_img" class="img " src="images/控制直流电机/u3551.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3558" class="ax_default box_1">
          <div id="u3558_div" class=""></div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3559" class="ax_default line">
          <img id="u3559_img" class="img " src="images/控制直流电机/u3551.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3560" class="ax_default box_1">
          <div id="u3560_div" class=""></div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3561" class="ax_default line">
          <img id="u3561_img" class="img " src="images/控制直流电机/u3551.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3562" class="ax_default box_1">
          <div id="u3562_div" class=""></div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3563" class="ax_default ellipse">
          <img id="u3563_img" class="img " src="images/控制直流电机/u3563.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3564" class="ax_default ellipse">
          <img id="u3564_img" class="img " src="images/控制直流电机/u3564.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3565" class="ax_default ellipse">
          <img id="u3565_img" class="img " src="images/控制直流电机/u3563.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3566" class="ax_default ellipse">
          <img id="u3566_img" class="img " src="images/控制直流电机/u3563.png"/>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3567" class="ax_default line">
          <img id="u3567_img" class="img " src="images/控制直流电机/u3551.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3568" class="ax_default box_1">
          <div id="u3568_div" class=""></div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3569" class="ax_default line">
          <img id="u3569_img" class="img " src="images/控制直流电机/u3551.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3570" class="ax_default box_1">
          <div id="u3570_div" class=""></div>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3571" class="ax_default _一级标题">
        <div id="u3571_div" class=""></div>
        <div id="u3571_text" class="text ">
          <p><span>硬件连线：</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3572" class="ax_default _一级标题">
        <div id="u3572_div" class=""></div>
        <div id="u3572_text" class="text ">
          <p><span>示例代码：</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3573" class="ax_default _文本段落">
        <div id="u3573_div" class=""></div>
        <div id="u3573_text" class="text ">
          <p><span>#define IN3 7</span></p><p><span>#define IN4 6 </span></p><p><span>&nbsp;</span></p><p><span>void setup() {</span></p><p><span>//初始化各IO,模式为OUTPUT 输出模式</span></p><p><span>pinMode(IN3,OUTPUT);</span></p><p><span>pinMode(IN4,OUTPUT);</span></p><p><span>}</span></p><p><span>&nbsp;</span></p><p><span>void loop() {</span></p><p><span>&nbsp; //正转</span></p><p><span>&nbsp; digitalWrite(IN3,HIGH); </span></p><p><span>&nbsp; digitalWrite(IN4,LOW);&nbsp; </span></p><p><span>&nbsp; delay(1000);&nbsp;&nbsp; </span></p><p><span>&nbsp;</span></p><p><span>&nbsp;//stop 停止</span></p><p><span>&nbsp;digitalWrite(IN3,LOW);</span></p><p><span>&nbsp;digitalWrite(IN4,LOW);&nbsp; </span></p><p><span>&nbsp;delay(2000);&nbsp; </span></p><p><span>&nbsp;&nbsp; </span></p><p><span>&nbsp; //反转</span></p><p><span>&nbsp; digitalWrite(IN3,LOW);</span></p><p><span>&nbsp; digitalWrite(IN4,HIGH);&nbsp; </span></p><p><span>&nbsp; delay(1000);&nbsp; </span></p><p><span><br></span></p><p><span>&nbsp;&nbsp; //stop 停止</span></p><p><span>&nbsp; digitalWrite(IN3,LOW);</span></p><p><span>&nbsp; digitalWrite(IN4,LOW);&nbsp; </span></p><p><span>&nbsp; delay(2000);</span></p><p><span>}</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3574" class="ax_default _一级标题">
        <div id="u3574_div" class=""></div>
        <div id="u3574_text" class="text ">
          <p><span>运行结果：</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3575" class="ax_default label">
        <div id="u3575_div" class=""></div>
        <div id="u3575_text" class="text ">
          <p><span>电机正转反转交替。</span></p>
        </div>
      </div>

      <!-- Unnamed (组 合) -->
      <div id="u3576" class="ax_default" data-left="96" data-top="887" data-width="283" data-height="391">

        <!-- Unnamed (矩形) -->
        <div id="u3577" class="ax_default box_1">
          <div id="u3577_div" class=""></div>
          <div id="u3577_text" class="text ">
            <p><span>Arduino </span></p><p><span>UNO</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3578" class="ax_default box_1">
          <div id="u3578_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3579" class="ax_default box_1">
          <div id="u3579_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3580" class="ax_default box_1">
          <div id="u3580_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3581" class="ax_default box_1">
          <div id="u3581_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3582" class="ax_default box_1">
          <div id="u3582_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3583" class="ax_default box_1">
          <div id="u3583_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3584" class="ax_default box_1">
          <div id="u3584_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3585" class="ax_default box_1">
          <div id="u3585_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3586" class="ax_default label">
          <div id="u3586_div" class=""></div>
          <div id="u3586_text" class="text ">
            <p><span>SCL</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3587" class="ax_default box_1">
          <div id="u3587_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3588" class="ax_default label">
          <div id="u3588_div" class=""></div>
          <div id="u3588_text" class="text ">
            <p><span>SDA</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3589" class="ax_default box_1">
          <div id="u3589_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3590" class="ax_default label">
          <div id="u3590_div" class=""></div>
          <div id="u3590_text" class="text ">
            <p><span>AREF</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3591" class="ax_default box_1">
          <div id="u3591_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3592" class="ax_default label">
          <div id="u3592_div" class=""></div>
          <div id="u3592_text" class="text ">
            <p><span>GND</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3593" class="ax_default box_1">
          <div id="u3593_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3594" class="ax_default label">
          <div id="u3594_div" class=""></div>
          <div id="u3594_text" class="text ">
            <p><span>13</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3595" class="ax_default box_1">
          <div id="u3595_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3596" class="ax_default label">
          <div id="u3596_div" class=""></div>
          <div id="u3596_text" class="text ">
            <p><span>12</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3597" class="ax_default box_1">
          <div id="u3597_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3598" class="ax_default label">
          <div id="u3598_div" class=""></div>
          <div id="u3598_text" class="text ">
            <p><span>~11</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3599" class="ax_default box_1">
          <div id="u3599_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3600" class="ax_default label">
          <div id="u3600_div" class=""></div>
          <div id="u3600_text" class="text ">
            <p><span>~10</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3601" class="ax_default box_1">
          <div id="u3601_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3602" class="ax_default label">
          <div id="u3602_div" class=""></div>
          <div id="u3602_text" class="text ">
            <p><span>~9</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3603" class="ax_default box_1">
          <div id="u3603_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3604" class="ax_default label">
          <div id="u3604_div" class=""></div>
          <div id="u3604_text" class="text ">
            <p><span>8</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3605" class="ax_default box_1">
          <div id="u3605_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3606" class="ax_default label">
          <div id="u3606_div" class=""></div>
          <div id="u3606_text" class="text ">
            <p><span>7</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3607" class="ax_default box_1">
          <div id="u3607_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3608" class="ax_default label">
          <div id="u3608_div" class=""></div>
          <div id="u3608_text" class="text ">
            <p><span>~6</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3609" class="ax_default box_1">
          <div id="u3609_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3610" class="ax_default label">
          <div id="u3610_div" class=""></div>
          <div id="u3610_text" class="text ">
            <p><span>~5</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3611" class="ax_default box_1">
          <div id="u3611_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3612" class="ax_default label">
          <div id="u3612_div" class=""></div>
          <div id="u3612_text" class="text ">
            <p><span>4</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3613" class="ax_default box_1">
          <div id="u3613_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3614" class="ax_default label">
          <div id="u3614_div" class=""></div>
          <div id="u3614_text" class="text ">
            <p><span>~3</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3615" class="ax_default box_1">
          <div id="u3615_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3616" class="ax_default label">
          <div id="u3616_div" class=""></div>
          <div id="u3616_text" class="text ">
            <p><span>2</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3617" class="ax_default box_1">
          <div id="u3617_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3618" class="ax_default label">
          <div id="u3618_div" class=""></div>
          <div id="u3618_text" class="text ">
            <p style="font-size:7px;"><span style="font-size:10px;">TX</span><span>→</span><span style="font-size:10px;">1</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3619" class="ax_default box_1">
          <div id="u3619_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3620" class="ax_default label">
          <div id="u3620_div" class=""></div>
          <div id="u3620_text" class="text ">
            <p style="font-size:7px;"><span style="font-size:10px;">RX</span><span>→</span><span style="font-size:10px;">0</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3621" class="ax_default label">
          <div id="u3621_div" class=""></div>
          <div id="u3621_text" class="text ">
            <p><span>NOT USED</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3622" class="ax_default box_1">
          <div id="u3622_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3623" class="ax_default label">
          <div id="u3623_div" class=""></div>
          <div id="u3623_text" class="text ">
            <p><span>IOREF</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3624" class="ax_default box_1">
          <div id="u3624_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3625" class="ax_default label">
          <div id="u3625_div" class=""></div>
          <div id="u3625_text" class="text ">
            <p><span>RESET</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3626" class="ax_default box_1">
          <div id="u3626_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3627" class="ax_default label">
          <div id="u3627_div" class=""></div>
          <div id="u3627_text" class="text ">
            <p><span>3.3V</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3628" class="ax_default box_1">
          <div id="u3628_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3629" class="ax_default label">
          <div id="u3629_div" class=""></div>
          <div id="u3629_text" class="text ">
            <p><span>5V</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3630" class="ax_default box_1">
          <div id="u3630_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3631" class="ax_default label">
          <div id="u3631_div" class=""></div>
          <div id="u3631_text" class="text ">
            <p><span>GND</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3632" class="ax_default box_1">
          <div id="u3632_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3633" class="ax_default label">
          <div id="u3633_div" class=""></div>
          <div id="u3633_text" class="text ">
            <p><span>GND</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3634" class="ax_default box_1">
          <div id="u3634_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3635" class="ax_default label">
          <div id="u3635_div" class=""></div>
          <div id="u3635_text" class="text ">
            <p><span>VIN</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3636" class="ax_default box_1">
          <div id="u3636_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3637" class="ax_default label">
          <div id="u3637_div" class=""></div>
          <div id="u3637_text" class="text ">
            <p><span>A0</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3638" class="ax_default box_1">
          <div id="u3638_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3639" class="ax_default label">
          <div id="u3639_div" class=""></div>
          <div id="u3639_text" class="text ">
            <p><span>A1</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3640" class="ax_default box_1">
          <div id="u3640_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3641" class="ax_default label">
          <div id="u3641_div" class=""></div>
          <div id="u3641_text" class="text ">
            <p><span>A2</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3642" class="ax_default box_1">
          <div id="u3642_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3643" class="ax_default label">
          <div id="u3643_div" class=""></div>
          <div id="u3643_text" class="text ">
            <p><span>A3</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3644" class="ax_default box_1">
          <div id="u3644_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3645" class="ax_default label">
          <div id="u3645_div" class=""></div>
          <div id="u3645_text" class="text ">
            <p><span>A4</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3646" class="ax_default box_1">
          <div id="u3646_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3647" class="ax_default label">
          <div id="u3647_div" class=""></div>
          <div id="u3647_text" class="text ">
            <p><span>A5</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3648" class="ax_default box_1">
          <div id="u3648_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3649" class="ax_default box_1">
          <div id="u3649_div" class=""></div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3650" class="ax_default ellipse">
          <img id="u3650_img" class="img " src="images/四角开关/u137.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3651" class="ax_default ellipse">
          <img id="u3651_img" class="img " src="images/四角开关/u137.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3652" class="ax_default box_1">
          <div id="u3652_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3653" class="ax_default box_1">
          <div id="u3653_div" class=""></div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3654" class="ax_default ellipse">
          <img id="u3654_img" class="img " src="images/四角开关/u141.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3655" class="ax_default ellipse">
          <img id="u3655_img" class="img " src="images/四角开关/u141.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3656" class="ax_default box_1">
          <div id="u3656_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3657" class="ax_default box_1">
          <div id="u3657_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3658" class="ax_default box_1">
          <div id="u3658_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3659" class="ax_default box_1">
          <div id="u3659_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3660" class="ax_default box_1">
          <div id="u3660_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3661" class="ax_default box_1">
          <div id="u3661_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3662" class="ax_default box_1">
          <div id="u3662_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3663" class="ax_default box_1">
          <div id="u3663_div" class=""></div>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3664" class="ax_default ellipse">
          <img id="u3664_img" class="img " src="images/四角开关/u151.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3665" class="ax_default ellipse">
          <img id="u3665_img" class="img " src="images/四角开关/u151.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3666" class="ax_default ellipse">
          <img id="u3666_img" class="img " src="images/四角开关/u151.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3667" class="ax_default ellipse">
          <img id="u3667_img" class="img " src="images/四角开关/u151.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3668" class="ax_default box_1">
          <div id="u3668_div" class=""></div>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3669" class="ax_default line">
          <img id="u3669_img" class="img " src="images/四角开关/u156.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3670" class="ax_default box_1">
          <div id="u3670_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3671" class="ax_default box_1">
          <div id="u3671_div" class=""></div>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3672" class="ax_default line">
          <img id="u3672_img" class="img " src="images/四角开关/u156.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3673" class="ax_default line">
          <img id="u3673_img" class="img " src="images/四角开关/u156.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3674" class="ax_default box_1">
          <div id="u3674_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3675" class="ax_default box_1">
          <div id="u3675_div" class=""></div>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3676" class="ax_default line">
          <img id="u3676_img" class="img " src="images/四角开关/u163.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3677" class="ax_default ellipse">
          <img id="u3677_img" class="img " src="images/四角开关/u164.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3678" class="ax_default ellipse">
          <img id="u3678_img" class="img " src="images/四角开关/u164.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3679" class="ax_default ellipse">
          <img id="u3679_img" class="img " src="images/四角开关/u164.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3680" class="ax_default ellipse">
          <img id="u3680_img" class="img " src="images/四角开关/u164.png"/>
        </div>

        <!-- Unnamed (椭圆形) -->
        <div id="u3681" class="ax_default ellipse">
          <img id="u3681_img" class="img " src="images/四角开关/u168.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3682" class="ax_default line">
          <img id="u3682_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3683" class="ax_default line">
          <img id="u3683_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3684" class="ax_default line">
          <img id="u3684_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3685" class="ax_default line">
          <img id="u3685_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3686" class="ax_default line">
          <img id="u3686_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3687" class="ax_default line">
          <img id="u3687_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3688" class="ax_default line">
          <img id="u3688_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3689" class="ax_default line">
          <img id="u3689_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3690" class="ax_default line">
          <img id="u3690_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3691" class="ax_default line">
          <img id="u3691_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3692" class="ax_default line">
          <img id="u3692_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3693" class="ax_default line">
          <img id="u3693_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3694" class="ax_default line">
          <img id="u3694_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3695" class="ax_default line">
          <img id="u3695_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3696" class="ax_default line">
          <img id="u3696_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3697" class="ax_default line">
          <img id="u3697_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3698" class="ax_default line">
          <img id="u3698_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3699" class="ax_default line">
          <img id="u3699_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3700" class="ax_default line">
          <img id="u3700_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3701" class="ax_default line">
          <img id="u3701_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3702" class="ax_default line">
          <img id="u3702_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3703" class="ax_default line">
          <img id="u3703_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3704" class="ax_default line">
          <img id="u3704_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3705" class="ax_default line">
          <img id="u3705_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3706" class="ax_default line">
          <img id="u3706_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3707" class="ax_default line">
          <img id="u3707_img" class="img " src="images/四角开关/u169.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3708" class="ax_default box_1">
          <div id="u3708_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3709" class="ax_default box_1">
          <div id="u3709_div" class=""></div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3710" class="ax_default box_1">
          <div id="u3710_div" class=""></div>
        </div>
      </div>

      <!-- Unnamed (组 合) -->
      <div id="u3711" class="ax_default" data-left="634" data-top="852" data-width="81" data-height="103">

        <!-- Unnamed (矩形) -->
        <div id="u3712" class="ax_default box_1">
          <div id="u3712_div" class=""></div>
        </div>

        <!-- Unnamed (垂直线) -->
        <div id="u3713" class="ax_default line">
          <img id="u3713_img" class="img " src="images/控制直流电机/u3464.png"/>
        </div>

        <!-- Unnamed (组 合) -->
        <div id="u3714" class="ax_default" data-left="655" data-top="938" data-width="40" data-height="10">

          <!-- Unnamed (矩形) -->
          <div id="u3715" class="ax_default box_1">
            <div id="u3715_div" class=""></div>
          </div>

          <!-- Unnamed (矩形) -->
          <div id="u3716" class="ax_default box_1">
            <div id="u3716_div" class=""></div>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3717" class="ax_default label">
          <div id="u3717_div" class=""></div>
          <div id="u3717_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3718" class="ax_default label">
          <div id="u3718_div" class=""></div>
          <div id="u3718_text" class="text ">
            <p><span>-</span></p>
          </div>
        </div>
      </div>

      <!-- Unnamed (组 合) -->
      <div id="u3719" class="ax_default" data-left="245" data-top="1339" data-width="225" data-height="89">

        <!-- Unnamed (水平线) -->
        <div id="u3720" class="ax_default line">
          <img id="u3720_img" class="img " src="images/驱动180°舵机/u1777.png"/>
        </div>

        <!-- Unnamed (水平线) -->
        <div id="u3721" class="ax_default line">
          <img id="u3721_img" class="img " src="images/驱动180°舵机/u1776.png"/>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3722" class="ax_default label">
          <div id="u3722_div" class=""></div>
          <div id="u3722_text" class="text ">
            <p><span>-</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3723" class="ax_default label">
          <div id="u3723_div" class=""></div>
          <div id="u3723_text" class="text ">
            <p><span>+</span></p>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3724" class="ax_default box_1">
          <div id="u3724_div" class=""></div>
          <div id="u3724_text" class="text ">
            <p><span>电池</span></p>
          </div>
        </div>

        <!-- Unnamed (组 合) -->
        <div id="u3725" class="ax_default" data-left="415" data-top="1352" data-width="7" data-height="62">

          <!-- Unnamed (矩形) -->
          <div id="u3726" class="ax_default box_1">
            <div id="u3726_div" class=""></div>
          </div>

          <!-- Unnamed (矩形) -->
          <div id="u3727" class="ax_default box_1">
            <div id="u3727_div" class=""></div>
          </div>
        </div>

        <!-- Unnamed (矩形) -->
        <div id="u3728" class="ax_default box_1">
          <div id="u3728_div" class=""></div>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3729" class="ax_default box_1">
        <div id="u3729_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3730" class="ax_default box_1">
        <div id="u3730_div" class=""></div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3731" class="ax_default ellipse">
        <img id="u3731_img" class="img " src="images/控制直流电机/u3731.png"/>
        <div id="u3731_text" class="text ">
          <p><span>+</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3732" class="ax_default box_1">
        <div id="u3732_div" class=""></div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3733" class="ax_default ellipse">
        <img id="u3733_img" class="img " src="images/控制直流电机/u3731.png"/>
        <div id="u3733_text" class="text ">
          <p><span>+</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3734" class="ax_default box_1">
        <div id="u3734_div" class=""></div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3735" class="ax_default ellipse">
        <img id="u3735_img" class="img " src="images/控制直流电机/u3731.png"/>
        <div id="u3735_text" class="text ">
          <p><span>+</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3736" class="ax_default box_1">
        <div id="u3736_div" class=""></div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3737" class="ax_default ellipse">
        <img id="u3737_img" class="img " src="images/控制直流电机/u3731.png"/>
        <div id="u3737_text" class="text ">
          <p><span>+</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3738" class="ax_default box_1">
        <div id="u3738_div" class=""></div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3739" class="ax_default ellipse">
        <img id="u3739_img" class="img " src="images/控制直流电机/u3731.png"/>
        <div id="u3739_text" class="text ">
          <p><span>+</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3740" class="ax_default box_1">
        <div id="u3740_div" class=""></div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3741" class="ax_default ellipse">
        <img id="u3741_img" class="img " src="images/控制直流电机/u3731.png"/>
        <div id="u3741_text" class="text ">
          <p><span>+</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3742" class="ax_default box_1">
        <div id="u3742_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3743" class="ax_default box_1">
        <div id="u3743_div" class=""></div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3744" class="ax_default ellipse">
        <img id="u3744_img" class="img " src="images/控制直流电机/u3731.png"/>
        <div id="u3744_text" class="text ">
          <p><span>+</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3745" class="ax_default box_1">
        <div id="u3745_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3746" class="ax_default box_1">
        <div id="u3746_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3747" class="ax_default box_1">
        <div id="u3747_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3748" class="ax_default box_1">
        <div id="u3748_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3749" class="ax_default box_1">
        <div id="u3749_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3750" class="ax_default box_1">
        <div id="u3750_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3751" class="ax_default box_1">
        <div id="u3751_div" class=""></div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3752" class="ax_default box_1">
        <div id="u3752_div" class=""></div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3753" class="ax_default ellipse">
        <img id="u3753_img" class="img " src="images/控制直流电机/u3753.png"/>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3754" class="ax_default ellipse">
        <img id="u3754_img" class="img " src="images/控制直流电机/u3753.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3755" class="ax_default box_1">
        <div id="u3755_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3756" class="ax_default line">
        <img id="u3756_img" class="img " src="images/控制直流电机/u3756.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3757" class="ax_default box_1">
        <div id="u3757_div" class=""></div>
        <div id="u3757_text" class="text ">
          <p><span>L298N</span></p>
        </div>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3758" class="ax_default line">
        <img id="u3758_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3759" class="ax_default line">
        <img id="u3759_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3760" class="ax_default line">
        <img id="u3760_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3761" class="ax_default line">
        <img id="u3761_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3762" class="ax_default line">
        <img id="u3762_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3763" class="ax_default line">
        <img id="u3763_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3764" class="ax_default line">
        <img id="u3764_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3765" class="ax_default line">
        <img id="u3765_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3766" class="ax_default line">
        <img id="u3766_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3767" class="ax_default line">
        <img id="u3767_img" class="img " src="images/控制直流电机/u3758.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3768" class="ax_default line">
        <img id="u3768_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3769" class="ax_default line">
        <img id="u3769_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3770" class="ax_default line">
        <img id="u3770_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3771" class="ax_default line">
        <img id="u3771_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3772" class="ax_default line">
        <img id="u3772_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3773" class="ax_default line">
        <img id="u3773_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3774" class="ax_default line">
        <img id="u3774_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3775" class="ax_default line">
        <img id="u3775_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3776" class="ax_default line">
        <img id="u3776_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (垂直线) -->
      <div id="u3777" class="ax_default line">
        <img id="u3777_img" class="img " src="images/控制直流电机/u3768.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3778" class="ax_default label">
        <div id="u3778_div" class=""></div>
        <div id="u3778_text" class="text ">
          <p><span>OUT1</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3779" class="ax_default label">
        <div id="u3779_div" class=""></div>
        <div id="u3779_text" class="text ">
          <p><span>OUT2</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3780" class="ax_default label">
        <div id="u3780_div" class=""></div>
        <div id="u3780_text" class="text ">
          <p><span>OUT3</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3781" class="ax_default label">
        <div id="u3781_div" class=""></div>
        <div id="u3781_text" class="text ">
          <p><span>OUT4</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3782" class="ax_default box_1">
        <div id="u3782_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3783" class="ax_default line">
        <img id="u3783_img" class="img " src="images/控制直流电机/u3783.png"/>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3784" class="ax_default line">
        <img id="u3784_img" class="img " src="images/控制直流电机/u3783.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3785" class="ax_default label">
        <div id="u3785_div" class=""></div>
        <div id="u3785_text" class="text ">
          <p><span>12V</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3786" class="ax_default label">
        <div id="u3786_div" class=""></div>
        <div id="u3786_text" class="text ">
          <p><span>GND</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3787" class="ax_default label">
        <div id="u3787_div" class=""></div>
        <div id="u3787_text" class="text ">
          <p><span>5V</span></p>
        </div>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3788" class="ax_default ellipse">
        <img id="u3788_img" class="img " src="images/控制直流电机/u3788.png"/>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3789" class="ax_default ellipse">
        <img id="u3789_img" class="img " src="images/控制直流电机/u3788.png"/>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3790" class="ax_default ellipse">
        <img id="u3790_img" class="img " src="images/控制直流电机/u3788.png"/>
      </div>

      <!-- Unnamed (椭圆形) -->
      <div id="u3791" class="ax_default ellipse">
        <img id="u3791_img" class="img " src="images/控制直流电机/u3788.png"/>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3792" class="ax_default line">
        <img id="u3792_img" class="img " src="images/控制直流电机/u3792.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3793" class="ax_default box_1">
        <div id="u3793_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3794" class="ax_default line">
        <img id="u3794_img" class="img " src="images/控制直流电机/u3792.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3795" class="ax_default box_1">
        <div id="u3795_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3796" class="ax_default line">
        <img id="u3796_img" class="img " src="images/控制直流电机/u3792.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3797" class="ax_default box_1">
        <div id="u3797_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3798" class="ax_default line">
        <img id="u3798_img" class="img " src="images/控制直流电机/u3792.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3799" class="ax_default box_1">
        <div id="u3799_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3800" class="ax_default line">
        <img id="u3800_img" class="img " src="images/控制直流电机/u3792.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3801" class="ax_default box_1">
        <div id="u3801_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3802" class="ax_default line">
        <img id="u3802_img" class="img " src="images/控制直流电机/u3792.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3803" class="ax_default box_1">
        <div id="u3803_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3804" class="ax_default line">
        <img id="u3804_img" class="img " src="images/控制直流电机/u3792.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3805" class="ax_default box_1">
        <div id="u3805_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3806" class="ax_default line">
        <img id="u3806_img" class="img " src="images/控制直流电机/u3792.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3807" class="ax_default box_1">
        <div id="u3807_div" class=""></div>
      </div>

      <!-- Unnamed (水平线) -->
      <div id="u3808" class="ax_default line">
        <img id="u3808_img" class="img " src="images/控制直流电机/u3808.png"/>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3809" class="ax_default label">
        <div id="u3809_div" class=""></div>
        <div id="u3809_text" class="text ">
          <p><span>IN1</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3810" class="ax_default label">
        <div id="u3810_div" class=""></div>
        <div id="u3810_text" class="text ">
          <p><span>IN2</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3811" class="ax_default label">
        <div id="u3811_div" class=""></div>
        <div id="u3811_text" class="text ">
          <p><span>IN3</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3812" class="ax_default label">
        <div id="u3812_div" class=""></div>
        <div id="u3812_text" class="text ">
          <p><span>IN4</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3813" class="ax_default label">
        <div id="u3813_div" class=""></div>
        <div id="u3813_text" class="text ">
          <p><span>ENA</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3814" class="ax_default label">
        <div id="u3814_div" class=""></div>
        <div id="u3814_text" class="text ">
          <p><span>ENB</span></p>
        </div>
      </div>

      <!-- Unnamed (连接线) -->
      <div id="u3815" class="ax_default _连接线">
        <img id="u3815_seg0" class="img " src="images/控制直流电机/u3815_seg0.png" alt="u3815_seg0"/>
        <img id="u3815_seg1" class="img " src="images/控制直流电机/u3815_seg1.png" alt="u3815_seg1"/>
        <img id="u3815_seg2" class="img " src="images/控制直流电机/u3815_seg2.png" alt="u3815_seg2"/>
        <div id="u3815_text" class="text " style="display:none; visibility: hidden">
          <p></p>
        </div>
      </div>

      <!-- Unnamed (连接线) -->
      <div id="u3816" class="ax_default _连接线">
        <img id="u3816_seg0" class="img " src="images/控制直流电机/u3816_seg0.png" alt="u3816_seg0"/>
        <img id="u3816_seg1" class="img " src="images/控制直流电机/u3816_seg1.png" alt="u3816_seg1"/>
        <img id="u3816_seg2" class="img " src="images/控制直流电机/u3816_seg2.png" alt="u3816_seg2"/>
        <div id="u3816_text" class="text " style="display:none; visibility: hidden">
          <p></p>
        </div>
      </div>

      <!-- Unnamed (连接线) -->
      <div id="u3817" class="ax_default _连接线">
        <img id="u3817_seg0" class="img " src="images/控制直流电机/u3817_seg0.png" alt="u3817_seg0"/>
        <img id="u3817_seg1" class="img " src="images/控制直流电机/u3817_seg1.png" alt="u3817_seg1"/>
        <img id="u3817_seg2" class="img " src="images/控制直流电机/u3817_seg2.png" alt="u3817_seg2"/>
        <img id="u3817_seg3" class="img " src="images/控制直流电机/u3817_seg3.png" alt="u3817_seg3"/>
        <div id="u3817_text" class="text " style="display:none; visibility: hidden">
          <p></p>
        </div>
      </div>

      <!-- Unnamed (连接线) -->
      <div id="u3818" class="ax_default _连接线">
        <img id="u3818_seg0" class="img " src="images/控制直流电机/u3818_seg0.png" alt="u3818_seg0"/>
        <img id="u3818_seg1" class="img " src="images/控制直流电机/u3818_seg1.png" alt="u3818_seg1"/>
        <img id="u3818_seg2" class="img " src="images/控制直流电机/u3818_seg2.png" alt="u3818_seg2"/>
        <img id="u3818_seg3" class="img " src="images/控制直流电机/u3818_seg3.png" alt="u3818_seg3"/>
        <img id="u3818_seg4" class="img " src="images/控制直流电机/u3818_seg4.png" alt="u3818_seg4"/>
        <img id="u3818_seg5" class="img " src="images/控制直流电机/u3818_seg5.png" alt="u3818_seg5"/>
        <div id="u3818_text" class="text " style="display:none; visibility: hidden">
          <p></p>
        </div>
      </div>

      <!-- Unnamed (连接线) -->
      <div id="u3819" class="ax_default _连接线">
        <img id="u3819_seg0" class="img " src="images/控制直流电机/u3819_seg0.png" alt="u3819_seg0"/>
        <img id="u3819_seg1" class="img " src="images/控制直流电机/u3819_seg1.png" alt="u3819_seg1"/>
        <img id="u3819_seg2" class="img " src="images/控制直流电机/u3819_seg2.png" alt="u3819_seg2"/>
        <img id="u3819_seg3" class="img " src="images/控制直流电机/u3819_seg3.png" alt="u3819_seg3"/>
        <img id="u3819_seg4" class="img " src="images/控制直流电机/u3819_seg4.png" alt="u3819_seg4"/>
        <img id="u3819_seg5" class="img " src="images/控制直流电机/u3819_seg5.png" alt="u3819_seg5"/>
        <img id="u3819_seg6" class="img " src="images/控制直流电机/u3819_seg6.png" alt="u3819_seg6"/>
        <div id="u3819_text" class="text " style="display:none; visibility: hidden">
          <p></p>
        </div>
      </div>

      <!-- Unnamed (连接线) -->
      <div id="u3820" class="ax_default _连接线">
        <img id="u3820_seg0" class="img " src="images/控制直流电机/u3820_seg0.png" alt="u3820_seg0"/>
        <img id="u3820_seg1" class="img " src="images/控制直流电机/u3820_seg1.png" alt="u3820_seg1"/>
        <img id="u3820_seg2" class="img " src="images/控制直流电机/u3820_seg2.png" alt="u3820_seg2"/>
        <img id="u3820_seg3" class="img " src="images/控制直流电机/u3820_seg3.png" alt="u3820_seg3"/>
        <div id="u3820_text" class="text " style="display:none; visibility: hidden">
          <p></p>
        </div>
      </div>

      <!-- Unnamed (连接线) -->
      <div id="u3821" class="ax_default _连接线">
        <img id="u3821_seg0" class="img " src="images/控制直流电机/u3821_seg0.png" alt="u3821_seg0"/>
        <img id="u3821_seg1" class="img " src="images/控制直流电机/u3821_seg1.png" alt="u3821_seg1"/>
        <img id="u3821_seg2" class="img " src="images/控制直流电机/u3821_seg2.png" alt="u3821_seg2"/>
        <img id="u3821_seg3" class="img " src="images/控制直流电机/u3821_seg3.png" alt="u3821_seg3"/>
        <img id="u3821_seg4" class="img " src="images/控制直流电机/u3821_seg4.png" alt="u3821_seg4"/>
        <img id="u3821_seg5" class="img " src="images/控制直流电机/u3821_seg5.png" alt="u3821_seg5"/>
        <div id="u3821_text" class="text " style="display:none; visibility: hidden">
          <p></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3822" class="ax_default label">
        <div id="u3822_div" class=""></div>
        <div id="u3822_text" class="text ">
          <p><span>附加连接：</span><span>不用usb线，电池盒单独供电Arduino接线方式</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3823" class="ax_default _一级标题">
        <div id="u3823_div" class=""></div>
        <div id="u3823_text" class="text ">
          <p><span>示例代码：PWM控制电机转速</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3824" class="ax_default _文本段落">
        <div id="u3824_div" class=""></div>
        <div id="u3824_text" class="text ">
          <p><span>#define IN3 6&nbsp; </span></p><p><span>#define IN4 5</span></p><p><span><br></span></p><p><span>int speed[4] = {100, 150, 200, 250}; //pwm中的占空比，255为100%</span></p><p><span>int i = 0;</span></p><p><span><br></span></p><p><span>void setup() {</span></p><p><span>//初始化各IO,模式为OUTPUT 输出模式</span></p><p><span>pinMode(IN3,OUTPUT);</span></p><p><span>pinMode(IN4,OUTPUT);</span></p><p><span>}</span></p><p><span>&nbsp;</span></p><p><span>void loop() {</span></p><p><span>&nbsp; for(i = 0; i &lt; 4; i++){ //4挡速度</span></p><p><span>&nbsp;&nbsp;&nbsp; //正转</span></p><p><span>&nbsp;&nbsp;&nbsp; analogWrite(IN3,speed[i]); </span></p><p><span>&nbsp;&nbsp;&nbsp; analogWrite(IN4,0);&nbsp; </span></p><p><span>&nbsp;&nbsp;&nbsp; delay(1000);&nbsp;&nbsp; </span></p><p><span>&nbsp;&nbsp; </span></p><p><span>&nbsp;&nbsp;&nbsp; //stop 停止</span></p><p><span>&nbsp;&nbsp;&nbsp; analogWrite(IN3,0);</span></p><p><span>&nbsp;&nbsp;&nbsp; analogWrite(IN4,0);&nbsp; </span></p><p><span>&nbsp;&nbsp;&nbsp; delay(2000);&nbsp; </span></p><p><span>&nbsp; }</span></p><p><span>}</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3825" class="ax_default _一级标题">
        <div id="u3825_div" class=""></div>
        <div id="u3825_text" class="text ">
          <p><span>运行结果：</span></p>
        </div>
      </div>

      <!-- Unnamed (矩形) -->
      <div id="u3826" class="ax_default label">
        <div id="u3826_div" class=""></div>
        <div id="u3826_text" class="text ">
          <p><span>电机正转反转交替，设置了4个转速交替运转。</span></p>
        </div>
      </div>
    </div>
  </body>
</html>
